RU2491658C2 - Синтезатор аудиосигнала и кодирующее устройство аудиосигнала - Google Patents

Синтезатор аудиосигнала и кодирующее устройство аудиосигнала Download PDF

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RU2491658C2
RU2491658C2 RU2011101616/08A RU2011101616A RU2491658C2 RU 2491658 C2 RU2491658 C2 RU 2491658C2 RU 2011101616/08 A RU2011101616/08 A RU 2011101616/08A RU 2011101616 A RU2011101616 A RU 2011101616A RU 2491658 C2 RU2491658 C2 RU 2491658C2
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signal
range
audio signal
primary
frequency
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RU2011101616/08A
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Russian (ru)
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RU2011101616A (ru
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Бернхард ГРИЛЛ
Ульрих КРАЕМЕР
Макс НУЕНДОРФ
Николаус РЕТТЕЛБАХ
Фредерик НАГЕЛЬ
Саша ДИШ
Стефан ВАБНИК
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Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф.
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Reverberation, Karaoke And Other Acoustics (AREA)
RU2011101616/08A 2008-07-11 2009-06-19 Синтезатор аудиосигнала и кодирующее устройство аудиосигнала RU2491658C2 (ru)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US7983908P 2008-07-11 2008-07-11
US61/079,839 2008-07-11
US10382008P 2008-10-08 2008-10-08
US61/103,820 2008-10-08
PCT/EP2009/004451 WO2010003539A1 (fr) 2008-07-11 2009-06-19 Synthétiseur de signal audio et encodeur de signal audio

Publications (2)

Publication Number Publication Date
RU2011101616A RU2011101616A (ru) 2012-07-27
RU2491658C2 true RU2491658C2 (ru) 2013-08-27

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RU2011101616/08A RU2491658C2 (ru) 2008-07-11 2009-06-19 Синтезатор аудиосигнала и кодирующее устройство аудиосигнала

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Country Link
US (3) US8731948B2 (fr)
EP (1) EP2301026B1 (fr)
JP (1) JP5244971B2 (fr)
KR (1) KR101223835B1 (fr)
CN (1) CN102089816B (fr)
AR (1) AR072864A1 (fr)
AU (1) AU2009267525B2 (fr)
BR (1) BRPI0910792B1 (fr)
CA (1) CA2730198C (fr)
CO (1) CO6341675A2 (fr)
ES (1) ES2796552T3 (fr)
MX (1) MX2011000372A (fr)
RU (1) RU2491658C2 (fr)
TW (1) TWI441162B (fr)
WO (1) WO2010003539A1 (fr)
ZA (1) ZA201009208B (fr)

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US10522168B2 (en) 2019-12-31
TW201009807A (en) 2010-03-01
BRPI0910792B1 (pt) 2020-03-24
US20140222434A1 (en) 2014-08-07
KR101223835B1 (ko) 2013-01-17
JP5244971B2 (ja) 2013-07-24
US10014000B2 (en) 2018-07-03
EP2301026B1 (fr) 2020-03-04
CN102089816B (zh) 2013-01-30
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AU2009267525B2 (en) 2012-12-20
EP2301026A1 (fr) 2011-03-30
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AR072864A1 (es) 2010-09-29
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CA2730198A1 (fr) 2010-01-14
US8731948B2 (en) 2014-05-20
BRPI0910792A2 (pt) 2015-10-06
ES2796552T3 (es) 2020-11-27
ZA201009208B (en) 2011-10-26
RU2011101616A (ru) 2012-07-27
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AU2009267525A1 (en) 2010-01-14
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